length of line = √[ (4+2)^2 + (1-7)^2]
= √(36+36)
= √72 = √36√2
= 6√2
In class we learnt operation with radicals
how would you answer a question like this
determine the length of the line segment from A(-2,7), to B (4,1)?
2 answers
Thank you so much !!!
1 answer